CVE-2015-4642

UnknownEPSS 6.00%

Last modified

CVE-2015-4642 is a vulnerability of currently unknown severity. The escapeshellarg function in ext/standard/exec.c in PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 on Windows allows remote attackers to execute arbitrary OS commands via a crafted string to an application that accepts command-line arguments for a call to the PHP system function.. EPSS estimates a 6.00% chance of exploitation in the next 30 days.

Description

The escapeshellarg function in ext/standard/exec.c in PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 on Windows allows remote attackers to execute arbitrary OS commands via a crafted string to an application that accepts command-line arguments for a call to the PHP system function.

Metrics

EPSS Probability
6.00%

92.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PhpPhp<= 5.4.41
PhpPhp5.5.0
PhpPhp5.5.1
PhpPhp5.5.2
PhpPhp5.5.3
PhpPhp5.5.4
PhpPhp5.5.5
PhpPhp5.5.6
PhpPhp5.5.7
PhpPhp5.5.8
PhpPhp5.5.9
PhpPhp5.5.10
PhpPhp5.5.11
PhpPhp5.5.12
PhpPhp5.5.13
PhpPhp5.5.14
PhpPhp5.5.15
PhpPhp5.5.16
PhpPhp5.5.17
PhpPhp5.5.18
PhpPhp5.5.19
PhpPhp5.5.20
PhpPhp5.5.21
PhpPhp5.5.22
PhpPhp5.5.23
PhpPhp5.5.24
PhpPhp5.5.25
PhpPhp5.6.0
PhpPhp5.6.1
PhpPhp5.6.2
PhpPhp5.6.3
PhpPhp5.6.4
PhpPhp5.6.5
PhpPhp5.6.6
PhpPhp5.6.7
PhpPhp5.6.8
PhpPhp5.6.9

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-4642?
The escapeshellarg function in ext/standard/exec.c in PHP before 5.4.42, 5.5.x before 5.5.26, and 5.6.x before 5.6.10 on Windows allows remote attackers to execute arbitrary OS commands via a crafted string to an application that accepts command-line arguments for a call to the PHP system function.
How severe is CVE-2015-4642?
Severity scoring for CVE-2015-4642 is pending analysis. The EPSS model estimates a 6.00% probability of exploitation in the next 30 days.
How do I fix CVE-2015-4642?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-4642?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST